Agrostemma githago 'Ocean Pearl'
corncockle 'Ocean Pearl'
A much-branched annual 60-90cm tall, with narrow, greyish-green leaves, and abundant, solitary white flowers, with fine dark speckling in the throat, in summer
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Size
Ultimate height
0.1–0.5 metresTime to ultimate height
1 yearUltimate spread
0.1–0.5 metresGrowing conditions
Moisture
Well–drainedpH
Acid, Alkaline, NeutralColour & scent
Stem | Flower | Foliage | Fruit | |
Spring | Green Grey Silver | |||
---|---|---|---|---|
Summer | White | Green Grey Silver | ||
Autumn | ||||
Winter |
Position
- Full sun
Aspect
West–facing or South–facing
Exposure
Exposed or Sheltered Hardiness
H5Botanical details
- Family
- Caryophyllaceae
- Native to GB / Ireland
- No
- Foliage
- Deciduous
- Habit
- Bushy
- Potentially harmful
- Human/Pets (dogs, poultry): Harmful if eaten. Wear gloves and other protective equipment when handling For further information and contact numbers regarding pets, see the HTA guide to potentially harmful plants
- Genus
Agrostemma are upright annuals with narrow, opposite leaves and solitary, 5-petalled, open trumpet-shaped flowers with long calyx lobes showing between the petals
- Name status
Accepted
How to grow
Cultivation
Grow in poor, well-drained soil in full sun. Lax growth needs to be staked, deadhead to prolong flowering. Flowers are suitable for cutting and are attractive to bees
Propagation
Propagate by seed sown in-situ, self-seeds prolifically
Suggested planting locations and garden types
- City and courtyard gardens
- Cottage and informal garden
- Wildlife gardens
- Flower borders and beds
Pruning
Cut back after flowering
Pests
Generally pest-free
Diseases
Generally disease-free
Get involved
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